// *********************************************
// Items 22 and 23, comment.
// Impossible to do properly with a regex, I make do by allowing at most
// one level of nesting.
$ctext = " [^$esc$NonASCII$CRlist()] ";

// Like atom-char, but without listing space, and uses phrase_ctrl.
// Since the class is negated, this matches the same as atom-char plus
space and tab
$phrase_char = "[^()<>\@,;:\
".$esc$OpenBR$CloseBR$NonASCII$phrase_ctrl]";